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Boosting the Ultra-stable Unencapsulated Perovskite Solar Cells by Using Montmorillonite/CH3NH3PbI3 Nanocomposite as Photoactive Layer

Abstract

The high-power conversion efficiency of the perovskite solar cell is high enough to be commercially viable. However, long-term stability is the inevitable issue that still obstructs commercialization. Here we demonstrate that half-year (~ 4680 h) stable unencapsulated inverted solar cell with almost zero loss in performance measured under controlled environmental condition by using montmorillonite (MMT)/CH3NH3PbI3 nanocomposite as photoactive layer yields up to 17.29% in power conversion efficiency, owing to the formation of outstandingly dense gas permeation barrier of exfoliated MMT shell that effectively retards the moisture from penetrating into the perovskite. It is believed that this extensively modified device and low cost architecture will compellingly lead to the timely commercialization of perovskite solar cells.

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Publication details

The article was received on 08 Oct 2018, accepted on 28 Nov 2018 and first published on 28 Nov 2018


Article type: Paper
DOI: 10.1039/C8EE02958J
Citation: Energy Environ. Sci., 2019, Accepted Manuscript
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    Boosting the Ultra-stable Unencapsulated Perovskite Solar Cells by Using Montmorillonite/CH3NH3PbI3 Nanocomposite as Photoactive Layer

    H. Huang, Y. Shih, L. Wang and K. Lin, Energy Environ. Sci., 2019, Accepted Manuscript , DOI: 10.1039/C8EE02958J

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